Transaction not yet indexed

55b4aSgNyK2HaqpqrqdtiySyYdqAFBfjMwpVjh8Rf4DUYHgJhYMMPYzGXXEYdkMSGw7GexbE3XXehnfZYtVY7wDR

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.